Annals of Emergency Medicine
Volume 35, Issue 2 , Pages 147-154 , February 2000

Ability of laypersons to estimate short time intervals in cardiac arrest

Presented at the Society for Academic Emergency Medicine annual meeting, Washington, DC, May 1997.

Received 16 June 1999 ,Revised 27 October 1999 ,Accepted 2 November 1999.

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 Address for reprints: Eric Isaacs, MD, Department of Emergency Services, 1001 Potrero Avenue, Room 1E21, San Francisco, CA 94110.

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Annals of Emergency Medicine
Volume 35, Issue 2 , Pages 147-154 , February 2000